Image is Representational - See Manufacturer Specs | Spill-Over Cover - Used With FRSPJ4X4YL - Easy access To Add Or Remove Cables The FRSPJC412YL is a spill-over cover, used to fully enclose 12x4 channel in cinjuction with the spill-over junction FRSPJ4X4YL. Hinged feature allows easy access to add or remove cables.